Move Android metrics files into a /metrics/ subfolder/package.

chrome/android/java/src/org/chromium/chrome/browser/appmenu/AppMenuButtonHelper.java

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.appmenu;
 
 import android.annotation.SuppressLint;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.OnTouchListener;
 
-import org.chromium.chrome.browser.UmaBridge;
+import org.chromium.chrome.browser.metrics.UmaBridge;
 
 /**
  * A helper class for a menu button to decide when to show the app menu and forward touch
  * events.
  *
  * Simply construct this class and pass the class instance to a menu button as TouchListener.
  * Then this class will handle everything regarding showing app menu for you.
  */
 public class AppMenuButtonHelper implements OnTouchListener {
     private final AppMenuHandler mMenuHandler;
@@ skipping 77 matching lines @@
         // If user starts to drag on this menu button, ACTION_DOWN and all the subsequent touch
         // events are received here. We need to forward this event to the app menu to handle
         // dragging correctly.
         AppMenuDragHelper dragHelper = mMenuHandler.getAppMenuDragHelper();
         if (dragHelper != null) {
             isTouchEventConsumed |= dragHelper.handleDragging(event, view);
         }
         return isTouchEventConsumed;
     }
 }